尝试修改班会材料页面 查询sql

srs-routine/src/main/resources/mapper/routine/RtClassMettingContentMapper.xml

@@ -26,14 +26,36 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </resultMap>
 
     <sql id="selectRtClassMettingContentVo">
-        select  rm.cr_id, rm.cr_no,rm.cr_cm_no,rm.cr_department_no,rm.cr_major_no,
-               mt.cm_title as cr_cm_title,
-                rm.cr_class_no,(select class_name  from srs_class sc where sc.class_id=cr_class_no) as className,
-
-                rm.cr_teacher_no,(select nick_name from sys_user u where u.user_name=cr_teacher_no) as cr_teacher_name,
-                rm.cr_content,rm.cr_text_content,
-                rm.cr_time, rm.cr_addr, rm.status, rm.del_flag, rm.create_by, rm.create_time, rm.update_by, rm.update_time, rm.remark
-        from rt_class_metting_content rm left join rt_class_metting_theme mt on rm.cr_cm_no=mt.cm_no
+        SELECT
+            rm.cr_id,
+            rm.cr_no,
+            rm.cr_cm_no,
+            rm.cr_department_no,
+            rm.cr_major_no,
+            mt.cm_title AS cr_cm_title,
+            rm.cr_class_no,
+            sc.class_name AS className,
+            rm.cr_teacher_no,
+            u.nick_name AS cr_teacher_name,
+            rm.cr_content,
+            rm.cr_text_content,
+            rm.cr_time,
+            rm.cr_addr,
+            rm.status,
+            rm.del_flag,
+            rm.create_by,
+            rm.create_time,
+            rm.update_by,
+            rm.update_time,
+            rm.remark
+        FROM
+            rt_class_metting_content rm
+                LEFT JOIN
+            rt_class_metting_theme mt ON rm.cr_cm_no = mt.cm_no
+                LEFT JOIN
+            srs_class sc ON rm.cr_class_no = sc.class_id
+                LEFT JOIN
+            sys_user u ON rm.cr_teacher_no = u.user_name
     </sql>
 
     <select id="selectRtClassMettingContentList" parameterType="RtClassMettingContent" resultMap="RtClassMettingContentResult">